Your childhood friend has no place to spend the night. She asks you if she could stay at your place. You obviously agree. She comes a little drunk and upon seeing that you have no girlfriend and fap only to hentai (tissues), she decides to make you a man. (Source: AniDB)

Chichinoya presents another animation product about a sadistic female boss who assaults you with dirty words! (Source: AniDB)

A housewife gets raped by a random guy and continues to have sex with him while her husband is away. Netorare, used to define a genre of Eroge (Hentai Game), meaning "Cuckold". In short, the main protagonist's loved one(s) are taken or seduced away from him and the heroine might be willing or unwilling. This is to cause an emotion of deep jealousy on the viewer.

Miyazawa Akina is the captain of a college softball team who has just hit a string of good luck. Her team has won the tournament, her love life is progressing well and her childhood friend has now become her boyfriend, and she recently won two tickets to a nearby hot springs. In high spirits, she fully intends to relax and celebrate her victories, but she might not be able to get much rest in such a romantic location, alone with the man she loves. (Source: ANN)